Recipe:

Lime Juice
2 ounces grapefruit juice
2 ounces agave
1 pinch salt
2 ounces club soda

Method:

Fill a cocktail shaker with ice then add the lime juice, grapefruit juice, agave and salt. Cover and shake for thirty seconds.

Open the cocktail shaker and pour the ice and liquid into two glasses. Top with the club soda and enjoy!